2019-08-17 22:50:48 +00:00
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/*
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2020-01-01 17:00:00 +00:00
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* Copyright (C) 2019-2020 Alex Yatskov <alex@foosoft.net>
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2019-08-17 22:50:48 +00:00
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2020-01-01 17:00:31 +00:00
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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2019-08-17 22:50:48 +00:00
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*/
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2020-03-11 02:30:36 +00:00
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/* global
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* FrontendApiSender
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*/
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2019-08-17 22:50:48 +00:00
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class PopupProxy {
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2020-02-16 22:27:55 +00:00
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constructor(id, depth, parentId, parentFrameId, url) {
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2019-12-15 21:34:44 +00:00
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this._parentId = parentId;
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this._parentFrameId = parentFrameId;
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2020-02-16 22:27:55 +00:00
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this._id = id;
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2019-12-15 21:34:44 +00:00
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this._idPromise = null;
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this._depth = depth;
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this._url = url;
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this._apiSender = new FrontendApiSender();
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2020-03-19 00:55:31 +00:00
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this._windowMessageHandlers = new Map([
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['getIframeOffset', ({offset, uniqueId}, e) => { return this._onGetIframeOffset(offset, uniqueId, e); }]
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]);
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window.addEventListener('message', this.onMessage.bind(this), false);
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2019-12-15 21:34:44 +00:00
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}
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// Public properties
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2020-03-13 21:23:08 +00:00
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get id() {
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return this._id;
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}
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2019-12-15 21:34:44 +00:00
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get parent() {
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return null;
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}
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2019-08-17 22:50:48 +00:00
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2019-12-15 21:34:44 +00:00
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get depth() {
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return this._depth;
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}
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2019-08-17 22:50:48 +00:00
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2019-12-15 21:34:44 +00:00
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get url() {
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return this._url;
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2019-08-17 22:50:48 +00:00
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}
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2019-12-15 21:34:44 +00:00
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// Public functions
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2019-12-16 02:34:18 +00:00
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isProxy() {
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return true;
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}
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2020-03-19 13:29:49 +00:00
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broadcastRootPopupInformation() {
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// NOP
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}
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2019-10-12 18:34:45 +00:00
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async setOptions(options) {
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2019-12-15 21:21:57 +00:00
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const id = await this._getPopupId();
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return await this._invokeHostApi('setOptions', {id, options});
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2019-08-17 22:50:48 +00:00
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}
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2019-12-16 03:21:01 +00:00
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hide(changeFocus) {
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2019-12-15 21:34:44 +00:00
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if (this._id === null) {
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2019-08-17 22:50:48 +00:00
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return;
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}
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2019-12-16 03:21:01 +00:00
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this._invokeHostApi('hide', {id: this._id, changeFocus});
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2019-08-17 22:50:48 +00:00
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}
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2019-12-16 02:49:20 +00:00
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async isVisible() {
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2019-12-15 21:21:57 +00:00
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const id = await this._getPopupId();
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2019-12-16 02:49:20 +00:00
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return await this._invokeHostApi('isVisible', {id});
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2019-10-17 22:39:12 +00:00
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}
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2019-12-16 03:21:01 +00:00
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setVisibleOverride(visible) {
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if (this._id === null) {
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return;
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}
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2020-02-12 03:21:55 +00:00
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this._invokeHostApi('setVisibleOverride', {id: this._id, visible});
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2019-08-17 22:50:48 +00:00
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}
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2019-09-14 18:27:25 +00:00
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async containsPoint(x, y) {
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2019-12-15 21:34:44 +00:00
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if (this._id === null) {
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2019-08-17 22:50:48 +00:00
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return false;
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}
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2020-03-19 00:55:31 +00:00
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if (this._depth === 0) {
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[x, y] = await PopupProxy._convertIframePointToRootPagePoint(x, y);
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}
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2019-12-15 21:34:44 +00:00
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return await this._invokeHostApi('containsPoint', {id: this._id, x, y});
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2019-08-17 22:50:48 +00:00
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}
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2019-10-17 01:36:10 +00:00
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async showContent(elementRect, writingMode, type=null, details=null) {
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2019-12-15 21:21:57 +00:00
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const id = await this._getPopupId();
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2020-03-19 13:29:49 +00:00
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let {x, y, width, height} = elementRect;
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2020-03-19 00:55:31 +00:00
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if (this._depth === 0) {
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[x, y] = await PopupProxy._convertIframePointToRootPagePoint(x, y);
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}
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2020-03-19 13:29:49 +00:00
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elementRect = {x, y, width, height};
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2019-12-15 21:21:57 +00:00
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return await this._invokeHostApi('showContent', {id, elementRect, writingMode, type, details});
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2019-08-17 22:50:48 +00:00
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}
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2019-10-12 21:12:34 +00:00
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async setCustomCss(css) {
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2019-12-15 21:21:57 +00:00
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const id = await this._getPopupId();
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return await this._invokeHostApi('setCustomCss', {id, css});
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2019-10-12 21:12:34 +00:00
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}
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2019-12-16 03:21:01 +00:00
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clearAutoPlayTimer() {
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2019-12-15 21:34:44 +00:00
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if (this._id === null) {
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2019-08-17 22:50:48 +00:00
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return;
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}
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2019-12-16 03:21:01 +00:00
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this._invokeHostApi('clearAutoPlayTimer', {id: this._id});
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2019-12-15 21:21:57 +00:00
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}
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2019-12-23 22:12:09 +00:00
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async setContentScale(scale) {
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const id = await this._getPopupId();
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this._invokeHostApi('setContentScale', {id, scale});
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}
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2020-03-19 00:55:31 +00:00
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// Window message handlers
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onMessage(e) {
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const {action, params} = e.data;
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const handler = this._windowMessageHandlers.get(action);
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if (typeof handler !== 'function') { return; }
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handler(params, e);
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}
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_onGetIframeOffset(offset, uniqueId, e) {
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let sourceIframe = null;
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for (const iframe of document.querySelectorAll('iframe:not(.yomichan-float)')) {
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if (iframe.contentWindow !== e.source) { continue; }
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sourceIframe = iframe;
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break;
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}
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if (sourceIframe === null) { return; }
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const [forwardedX, forwardedY] = offset;
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const {x, y} = sourceIframe.getBoundingClientRect();
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offset = [forwardedX + x, forwardedY + y];
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window.parent.postMessage({action: 'getIframeOffset', params: {offset, uniqueId}}, '*');
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}
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2019-12-15 21:21:57 +00:00
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// Private
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_getPopupId() {
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2019-12-15 21:34:44 +00:00
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if (this._idPromise === null) {
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this._idPromise = this._getPopupIdAsync();
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2019-12-15 21:21:57 +00:00
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}
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2019-12-15 21:34:44 +00:00
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return this._idPromise;
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2019-12-15 21:21:57 +00:00
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}
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async _getPopupIdAsync() {
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2020-02-16 22:27:55 +00:00
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const {id} = await this._invokeHostApi('getOrCreatePopup', {id: this._id, parentId: this._parentId});
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2019-12-15 21:34:44 +00:00
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this._id = id;
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2019-12-15 21:21:57 +00:00
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return id;
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2019-08-17 22:50:48 +00:00
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}
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2019-12-15 21:21:57 +00:00
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_invokeHostApi(action, params={}) {
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2019-12-15 21:34:44 +00:00
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if (typeof this._parentFrameId !== 'number') {
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2019-10-08 01:04:58 +00:00
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return Promise.reject(new Error('Invalid frame'));
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2019-08-19 00:51:19 +00:00
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}
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2019-12-15 21:34:44 +00:00
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return this._apiSender.invoke(action, params, `popup-proxy-host#${this._parentFrameId}`);
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2019-08-17 22:50:48 +00:00
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}
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2020-03-19 00:55:31 +00:00
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static async _convertIframePointToRootPagePoint(x, y) {
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const uniqueId = yomichan.generateId(16);
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let frameOffsetResolve = null;
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const frameOffsetPromise = new Promise((resolve) => (frameOffsetResolve = resolve));
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const runtimeMessageCallback = ({action, params}, sender, callback) => {
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if (action === 'iframeOffset' && isObject(params) && params.uniqueId === uniqueId) {
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chrome.runtime.onMessage.removeListener(runtimeMessageCallback);
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callback();
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frameOffsetResolve(params);
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return false;
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}
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};
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chrome.runtime.onMessage.addListener(runtimeMessageCallback);
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window.parent.postMessage({
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action: 'getIframeOffset',
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params: {
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uniqueId,
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offset: [x, y]
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}
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}, '*');
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const {offset} = await frameOffsetPromise;
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return offset;
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}
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2019-08-17 22:50:48 +00:00
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}
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